flared over the skis of russia triggering a shockwave that that you ared over a thousand, the bay area experienced an unusual light show. ktvu's allie rasmus asked nasa about the activity. >> reporter: kids were captivated by the activities, but many parents had questions and concerns about recent cosmic activity. >> it gives you the opportunity to get the big picture and see what is happening out there. >> reporter: first was the asteroid that struck russia creating a sonic boom that injured thousands. later in the day people watched afterroid ad-13 skim by. and mittt minutes after that, a much smaller meteor created a flash seen across the bay area. >> it was a cosmic coincidence. a lot of times they want to know if they are related and i tell them they are not related. >> thee in one day and makes up workmanship if the next one is around corner. >> reporter: three cosmic objects passing by or into earth in one day isn't unusual, but what is rare that they all passed over populated area and were recorded and shared with a worldwide audience. like the video on youtube of yesterday'